Timex Ironman Road Trainer HRM User Manual

							
3. Press STOP/RESET/SET to toggle between a 1- or a 2-minute recoverytime.
4. Press START/SPLIT. The top line of the watch display will show the heart rate at the beginning of the recovery period (on the left) as well
as your current heart rate. The bottom line will show the 1- or 2-
minute recovery countdown.
5. After a 1- or 2-minute countdown, the watch will beep indicating the end of the recovery period. The watch will capture your heart rate a
second time, subtract the second value from the first value and display
the difference as the recovery (R value).
NOTE: The watch cannot record a recovery unless it is receiving a current
heart rate and a valid pulse from the Digital Heart Rate Sensor. Without a
current heart rate or if the ending rate is higher than the starting heart
rate, the display will read NO REC.
6. You can continue to initiate a 1- or 2-minute recovery period by repeating steps 2 through 4.
25
Your recovery rate represents the change in your heart rate over a period
of time. Your Digital Heart Rate Monitor records the change in your heart
rate for either a 1- or 2-minute period. To set the recovery timer duration:
1. Press MODE until RECOVER appears.
2. Press STOP/RESET/SET to clear the last heart rate recovery reading, ifnecessary.
3. Press STOP/RESET/SET to toggle between a 1- or a 2-minute recovery time.
While running the chronograph, the recovery heart rate timer will begin
automa
ticallyafter pressing STOP/RESET/SET if the watch is receiving
data from the Digital Heart Rate Sensor.
NOTE: The watch cannot record a recovery unless it is receiving a current
heart rate and a valid pulse from the Digital Heart Rate Sensor. Without a
current heart rate or if the ending rate is higher than the starting heart
rate, the display will read NO REC.
To Manually Determine a Recovery Heart Rate
You can also manually initiate a recovery heart rate without stopping the
chronograph by following these steps.
1. Press MODE until RECOVER appears.
2. Press STOP/RESET/SET to clear the last heart rate recovery reading, if necessary.
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27
Review
Review Mode allows you to recall overall information recorded by the
chronograph for your most recent workout.
Data groupings appear in the order listed when you press START/SPLIT
(+).
Total Time:The amount of time the chronograph was running during
your workout.
Time in Zone: The amount of time during a workout when your heart
rate is between the lower and upper target zone limits you set.
26 
Average Heart Rate:
The average heart rate achieved during a
workout.
Peak Heart Rate:  The highest recorded heart rate during a workout.
Minimum Heart Rate:  The lowest recorded heart rate during a
workout.
Total Calories: The number of calories burned during a workout. This
number is dependent on the weight you entered when you set up your
Digital Heart Rate Monitor, your heart rate during the workout, and your
elapsed time.
Recovery Heart Rate:  The result of the most recent recovery heart
rate calculation.
Lap or Split Recall: The amount of time and average heart rate for the
last 50 laps (segments) of your workout.
To Review Workout Data
1. Press MODE until REVIEW appears.
2. Press START/SPLIT (+) or HEART RATE (-) to scroll through workout data.
Review Mode Notes & Tips
Once you restart the chronograph from zero (the reset position) for
your next workout, you erase summary data from your previous
workout, except recovery heart rate.
START/SPLIT(+)Press to scroll forward
through activity data.
HEART RATE (-)Press to scroll
backward through
activity data.MODEPress to move to
the next mode.
INDIGLO® BUTTONPress to light the
watch, activate or
deactivate
NIGHT-MODE
® feature.

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To Set a Target Heart Rate Zone
You can choose one of the Preset Target Heart Zones or set the Manual
Target Heart Rate Zone for a customized target heart rate zone.
Preset Target Heart Rate Zones
The preset heart rate zones described in the table below correspond to
your maximum heart rate (MHR) value.
Determine the zone you want to use by reviewing the table on page 6.
To choose a Preset Target Heart Rate Zone:
1. Press MODE until HRM SETUP Mode appears.
2. Press START/SPLIT to cycle through the target heart rate zones(labeled ZONE 1 to ZONE 5).
3. Press HEART RATE to turn the audible HR ZONE ALERT ON or OFF. If you turn on the audible alert, the watch will beep if you go above or
Without the Digital Heart Rate Sensor, you will see total time and Lap
or Split Recall in Review Mode, along with you last recorded recovery
heart rate.
If you did not record separate laps during a workout, the watch will
display NO LAPS STORED when you get to the lap recall segment of
Review Mode.
HRM Setup
HRM Setup Mode allows you to select and set key pieces of statistical
data that will be tracked by your Digital Heart Rate Monitor.
28 29
ZoneLower LimitUpper Limit
150%60%
260%70%
370%80%
480%90%
590%100%
START/SPLITPress to select a target
heart rate zone or increase
or toggle a setting item.
STOP/RESET/SETPress to start or
complete the setting
process.
HEART RATE
Press to turn the
audible ON or
OFF or decrease
or toggle the
setting item.
MODEPress to enter or exit the
mode or move to the next
digit or setting group.
INDIGLO® BUTTONPress to light the watch,
activate or deactivate
NIGHT-MODE
® feature.

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6. When you have finished setting the upper and lower target heart ratezone limits, you can press STOP/RESET/SET (DONE) to save your
settings and exit the setting process, or you can continue to set or
adjust other heart rate statistical data (see below).
To Set Other Heart Rate Statistical Data
In addition to selecting a Target Heart Rate Zone, it is important that you
set your weight, maximum heart rate, and heart rate display. Accurate
information used by these options helps tailor your Digital Heart Rate
Monitor to your specific fitness needs.
To set other heart rate statistical data:
1. Press MODE until HRM SETUP Mode appears.
2. Press STOP/RESET/SET to enter the setting process. You will see yourselected target heart rate zone flashing on the display.
3. Press MODE (NEXT) to begin setting other statistical data.
4. Make the desired adjustment by pressing START/SPLIT (+) or HEART RATE (-). In some setting groups pressing START/SPLIT (+) will
increase a value and pressing HEART RATE (-) will decrease a value. At
other times pressing START/SPLIT (+) or HEART RATE (-) will toggle
between two options or cycle through a setting group.
5. Press MODE (NEXT) to move to the next digit or setting group you want to set.
31
below your chosen target heart rate zone and continue beeping until
you return to your target zone.
4. Press MODE to save your selected target heart rate zone and exit HRM SETUP Mode. When you leave HRM SETUP Mode, the watch will use
the target heart rate zone you have selected as the basis for all HRM-
based calculations.
Manual Target Heart Rate Zone
The Manual Target Heart Rate Zone allows you to customize your lower
and upper target heart rate zone limits. You might use the Manual Target
Heart Rate Zone when the 10% range in the Preset Heart Rate Zones is
either too large or too small a range for your exercise goals.
To set the Manual Target Heart Rate Zone:
1. Press MODE until HRM SETUP Mode appears.
2. Press START/SPLIT until MANUAL appears.
3. Press STOP/RESET/SET to enter the setting process. You will see theword MANUAL flashing on the display.
4. Press MODE (NEXT) to begin setting the upper and lower target heart rate zones.
5. Press START/SPLIT (+) to increase the flashing value, HEART RATE (-) to decrease the flashing value, or MODE (NEXT) to move to the next
digit’s value.
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Digital Heart Rate Monitor Notes & Tips
At any time during the setting process, you can save your changes and
return to the main heart rate display by pressing STOP/RESET/SET
(DONE).
While setting the watch, if you do not press any buttons on the watch
for a period of 2 to 3 minutes, the watch will automatically save
whatever changes you have made and exit the setting process.
Alarm
You can use your watch as an alarm clock to alert you at a pre-set time.
When the watch reaches the scheduled time, the alarm tone sounds and
the INDIGLO
®night-light flashes for a period of 20 seconds.
33
6. Press STOP/RESET/SET to save your changes and exit the settingprocess.
7. Press MODE to exit HRM SETUP.
For this Digital Heart Rate Monitor you can make the adjustments
described in the table.
32 START/SPLIT
Press to increase or toggle
the setting value or turn
the alarm ON or OFF.
STOP/RESET/SETPress to start or
complete the setting
process.
HEART RATEPress to decrease
or toggle the setting
value.
MODEPress to move to the next
mode, digit or setting group.
INDIGLO® BUTTONPress to light the watch,
activate or deactivate
NIGHT-MODE
® feature.
Setting GroupDisplayDescription
Weight
You can enter your current weight and
whether your weight appears in pounds (lbs)
or kilograms (kg) This number is used to
help calculate how many calories you burn
during your activity. Your recorded weight
cannot go below 22 lbs (10 kg) or above 550
lbs (250 kg).
Maximum Heart
Rate
Your maximum heart rate value is used to
determine your 5 preset target zones and as
a reference for displaying your heart rate in
terms of percent of maximum (%). This
number cannot be below 80 or above 240
beats per minute (BPM).
Heart Rate
DisplayYou can choose whether your heart rate will
display as beats per minute (BPM) or percent
of maximum (%).

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While the alarm sounds, you can silence it by pressing any buttonon
the watch.
If you do not silence the alarm before the alert finishes, a backup
alarm will sound after 5 minutes.
Care & Maintenance
Digital Heart Rate Monitor
To avoid build up of materials that can interfere with the Digital Heart
Rate Monitor’s ability to receive a valid pulse, rinse the Digital Heart
Rate Sensor with fresh water 
Do not clean the Digital Heart Rate Monitor sensor or chest strap with
abrasive or corrosive materials. Abrasive cleaning agents may scratch
the plastic parts and corrode the electronic circuit.
Do not subject the Digital Heart Rate Monitor to excessive force, shock,
dust, temperature, or humidity. Such treatment may result in
malfunction, a shorter electronic life span, damaged batteries, or
distorted parts.
Do not tamper with the Digital Heart Rate Monitor’s internal
components. Doing so will terminate the Monitor’s warranty and may
cause damage.
The Digital Heart Rate Monitor contains no user-serviceable parts,
except batteries.
35
To Set the Alarm
1. Press MODE until Alarm Mode appears.
2. Press and hold STOP/RESET/SET until SET briefly appears on the display followed by time with the hour value flashing. The AM/PM value
will also flash if you have set the watch to 12-hour format.
3. Press START/SPLIT (+) to increase the hour value or HEART RATE (-) to decrease the hour value.
NOTE: To quickly change the value being set, press and hold
START/SPLIT (+) or HEART Rate (-).
4. Press MODE (NEXT) to move to the minute value.
5. Press START/SPLIT (+) to increase the minute value or HEART RATE (-) to decrease the minute value.
6. Press STOP/RESET/SET (DONE) to save your changes and exit the setting process.
Alarm Mode Notes & Tips
To turn an alarm ON or OFF withoutentering the setting state, press
START/SPLIT while in Alarm Mode.
If you change any alarm settings, you automatically turn the alarm on.
When you set the alarm, the alarm clock  icon  aappears on the
display in Time of Day Mode.
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To test the new battery after you have inserted it:
1. Move away from any possible sources of electrical or radiointerference.
2. Wet the Digital Heart Rate Sensor pads and securely fasten the chest strap below your sternum.
3. While wearing the watch, press the HEART RATE button. A set of three dashes (- - -) and the flashing heart rate icon will appear on the
display.
4. If you do not see a flashing heart icon on your watch, reinstall the sensor battery.
NOTE: It is not necessary for a heart rate value to appear on the display
during this test.
Watch Battery Replacement
When the battery of the watch is running low, the display or INDIGLO®
night-light will dim. This watch uses a CR2025/CR2018 lithium battery.
To avoid the possibility of permanently damaging the watch, TIMEX
STRONGLY RECOMMENDS TAKING YOUR HEART RATE MONITOR WATCH TO
A LOCAL RETAILER OR JEWELER TO HAVE THE BATTERY REPLACED.
INDIGLO®night-light
Press the INDIGLO®button to activate the night light. This
37
Battery
Digital Heart Rate Sensor Battery
If your heart rate readings become erratic or stop, you may need to
replace the battery on your Digital Heart Rate Sensor. You can change the
battery yourself without any special tools.
This product uses a CR2032 lithium battery for the Digital Heart Rate
Sensor. To change the battery:
1. Open the Sensor battery lid with a coin, turning the coin counterclockwise.
2. Replace the battery with a new CR2032, 3V lithium battery with (+) facing you, taking care not to touch the two contacts and discharge the
battery.
3. When you have finished inserting the battery, press the reset button (located in the lower left corner) with a toothpick or straightened paper
clip and close the lid with a coin — screwing in a clockwise direction.
36
BATTERIA
APRIRE
BATTERIA
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Warranty & Service
Timex International Warranty (U.S. Limited Warranty)
Your Timex®Digital Heart Rate Monitor is warranted against manufacturing
defects by Timex for a period of ONE YEAR from the original purchase
date. Timex Group USA, Inc and its worldwide affiliates will honor this
International Warranty.
Please note that Timex may, at its option, repair your Heart Rate Monitor
by installing new or thoroughly reconditioned and inspected components
or replace it with an identical or similar model.
IMPORTANT:  PLEASE NOTE THAT THIS WARRANTY DOES NOT COVER
DEFECTS OR DAMAGES TO YOUR HEART RATE MONITOR:
1. after the warranty period expires;
2. if the Heart Rate Monitor was not originally purchased from an authorized Timex retailer;
3. from repair services not performed by Timex;
4. from accidents, tampering or abuse; and
5. lens or crystal, strap or band, Heart Rate Monitor case, attachments or battery. Timex  may charge you for replacing any of these parts.
THIS WARRANTY AND THE REMEDIES CONTAINED HEREIN ARE EXCLUSIVE
AND IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
39
electroluminescent technology
illuminates the watch display at night and in low light conditions.
Water Resistance
Watch
Your 100 Meter Water Resistant watch withstands water pressure to
200 p.s.i. (equals immersion to 328 feet or 100 meters below sea
level).
The watch is only water-resistant as long as the lens, pushbuttons, and
case remain intact.
Timex®recommends rinsing your watch with fresh water after
exposure to salt water.
WARNING: TO MAINTAIN WATER-RESISTANCE, DO NOT PRESS ANY
BUTTONS UNDER WATER.
Digital Heart Rate Sensor
Your 30 Meter Water Resistant Digital Heart Rate Sensor can withstand
water pressure to 60 p.s.i. (equals immersion to 98 feet or 30 meters
below sea level).
WARNING:  THIS UNIT WILL NOT TRANSMIT YOUR HEART RATE WHEN
OPERATED IN OR UNDER WATER.
38
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Asia, call 852-2815-0091. For the U.K., call 44 208 687 9620. For
Portugal, call 351 212 946 017. For France, call 33 3 81 63 42 00. For
Germany, call 49 7 231 494140. For the Middle East and Africa, call 971-
4-310850. For other areas, please contact your local Timex retailer or
Timex distributor for warranty information. In Canada, the U.S. and in
certain other locations, participating Timex retailers can provide you with a
postage-paid, pre-addressed Heart Rate Monitor Repair Mailer for your
convenience in obtaining factory service.
Service
If your Timex®Digital Heart Rate Monitor should ever need servicing, send
it to Timex as set forth in the Timex International Warranty or addressed to:
HOTLINE WATCH SERVICE, P.O. Box 2740, Little Rock, AR 72203 
For service questions, call 1-800-328-2677.
For your convenience in obtaining factory service, participating Timex
retailers can provide you with a pre-addressed Heart Rate Monitor Repair
Mailer.
See the Timex International Warranty for specific instructions on the care
and service of your Timex
®Digital Heart Rate Monitor.
Should you need a replacement strap or band, call 1-800-328-2677.
41
INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
FOR PARTICULAR PURPOSE.
TIMEX IS NOT LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL
DAMAGES. Some countries and states do not allow limitations on implied
warranties and do not allow exclusions or limitations on damages, so
these limitations may not apply to you. This warranty gives you specific
legal rights and you may also have other rights which vary from country to
country and state to state.
To obtain warranty service, please return your Heart Rate Monitor to
Timex, one of its affiliates or the Timex retailer where the Heart Rate
Monitor was purchased, together with a completed original Repair Coupon
or, in the U.S. and Canada only, the completed original Repair Coupon or a
written statement identifying your name, address, telephone number and
date and place of purchase. Please include the following with your Heart
Rate Monitor to cover postage and handling (this is not a repair charge): a
US$ 8.00 check or money order in the U.S.; a CAN$7.00 cheque or money
order in Canada; and a UK£2.50 cheque or money order in the U.K. In
other countries, Timex will charge you for postage and handling. NEVER
INCLUDE ANY ARTICLE OF PERSONAL VALUE IN YOUR SHIPMENT.
For the U.S., please call 1-800-328-2677 for additional warranty
information. For Canada, call 1-800-263-0981. For Brazil, call +55 (11)
5572 9733. For Mexico, call 01-800-01-060-00. For Central America, the
Caribbean, Bermuda and the Bahamas, call (501) 370-5775 (U.S.). For
40

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Declaration of Conformity
(according to ISO Guide 22 and EN 45014)
Manufacturer: Timex Group USA, Inc.
555 Christian Road
Middlebury, CT 06762
declares that the product:
Product Name: Timex
®Digital Heart Rate Monitor
Model Number: M640
Product Options: All
conforms to the following Product Specifications:
LVD: 73/23/EEC
Safety: IEC 60950
EMC: 89/336/EEC
Emissions: EN300-683 Radiated Emission 30 MHz to 1000 MHz E-
Field (Electric). Ref.EN55022
Immunity: EN300-683 Radiated Immunity 80 MHz to 1000 MHz. Ref.
EN61000-4-3
ESD Electrostatic discharge. Ref. EN61000-4-2
Radiated Immunity 900 MHz. Ref. ENV50204
Supplemental Information:  The product herewith complies with the requirements of the
Low-Voltage Directive 73/23/EEC and the EMC Directive 89/336/EEC and carries the \
7
marking accordingly.
43
THIS IS YOUR REPAIR COUPON. KEEP IT IN A SAFE PLACE.
42

TIMEX INTERNATIONAL WARRANTY REPAIR COUPON
Original Purchase Date:(attach a copy of sales receipt, if available)
Purchased By:(name, address, telephone number)
Place of Purchase:(name and address)
Reason for Return:

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